Factory Auto Sound / FAS Group - Custom subwoofer enclosure for a BMW Z3 Roadster. 8" Hertz Energy woofer. 6.5" Hertz Energy components and a 5 Channel Hertz amplifier as the power
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Amazon.com: Compatible with BMW Z3 Vehicle 1996-2002 Rear Replacement Speaker Harmony HA-C5 Premium Speakers : Electronics
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BMW Z3 M COUPE 99-2002 10" Magic Box SUB BOX SUBWOOFER ENCLOSURE | DIYMobileAudio.com Car Stereo Forum
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